Home / United States / World War I / Metal Insignia / Pair WWI W.T.M.A. Officer’s Collar Insignia Pair WWI W.T.M.A. Officer’s Collar Insignia$20.00 Matching full size insignia measuring 2-5/8″. Pair WWI W.T.M.A. Officer's Collar Insignia quantity Add to cart Item Number: 39042 Category: Metal Insignia